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Please helppppA′B′C′ is an image of triangle ABC after a rotation. The center of rotation is D. What is the measure of angle B?

Please helppppA′B′C′ is an image of triangle ABC after a rotation. The center of rotation-example-1
User Mcandre
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1 Answer

27 votes
27 votes

B: 52°

A rotation doesn't change the measures of the angles, only the position of the points.

User Ishant Garg
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2.6k points
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